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Hu MH, Shih BS, Liu SM, Huang SM, Ko CL, Chen WC. Mechanical Properties, Drug Release, Biocompatibility, and Antibacterial Activities of Modified Emulsified Gelatin Microsphere Loaded with Gentamicin Composite Calcium Phosphate Bone Cement In Vitro. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3578. [PMID: 39063872 PMCID: PMC11279002 DOI: 10.3390/ma17143578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 07/15/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024]
Abstract
Bone defects are commonly addressed with bone graft substitutes; however, surgical procedures, particularly for open and complex fractures, may pose a risk of infection. As such, a course of antibiotics combined with a drug carrier is often administered to mitigate potential exacerbations. This study involved the preparation and modification of emulsified (Em) crosslinking-gelatin (gel) microspheres (m-Em) to reduce their toxicity. The antibiotic gentamicin was impregnated into gel microspheres (m-EmG), which were incorporated into calcium phosphate bone cement (CPC). The study investigated the effects of m-EmG@CPC on antibacterial activity, mechanical properties, biocompatibility, and proliferation and mineralization of mouse progenitor osteoblasts (D1 cells). The average size of the gel microspheres ranged from 22.5 to 16.1 μm, with no significant difference between the groups (p > 0.05). Most of the oil content within the microspheres was transferred through modification, resulting in reduced cytotoxicity. Furthermore, antibiotic-impregnated m-EmG did not compromise the intrinsic properties of the microspheres and exhibited remarkably antibacterial effects. After combining with CPC (m-EmG@CPC), the microspheres did not significantly hinder the CPC reaction and produced the main product, hydroxyapatite (HA). However, the compressive strength of the largest microsphere content of 0.5 wt.% m-EmG in CPC decreased significantly from 59.8 MPa of CPC alone to 38.7 MPa of 0.5m-EmG@CPC (p < 0.05). The 0.5m-EmG@CPC composite was effective against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) in drug release and antibacterial tests. Compared with m-EmG alone, the 0.5m-EmG@CPC composite showed no toxicity to mouse fibroblast cells (L929). Additionally, the proliferation and mineralization of mouse osteoblastic osteoprogenitor cells (D1 cells) did not have a negative impact on the 0.5m-EmG@CPC composite over time in culture compared with CPC alone. Results suggest that the newly developed antibacterial 0.5m-EmG@CPC composite bone cement did not negatively affect the performance of osteoprogenitor cells and could be a new option for bone graft replacement in surgeries.
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Affiliation(s)
- Ming-Hsien Hu
- Orthopedic Department, Show Chwan Memorial Hospital, Changhua 500, Taiwan;
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung City 402, Taiwan
| | - Bo-Sin Shih
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, Taichung City 407, Taiwan; (B.-S.S.); (S.-M.L.); (S.-M.H.); (C.-L.K.)
| | - Shih-Ming Liu
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, Taichung City 407, Taiwan; (B.-S.S.); (S.-M.L.); (S.-M.H.); (C.-L.K.)
| | - Ssu-Meng Huang
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, Taichung City 407, Taiwan; (B.-S.S.); (S.-M.L.); (S.-M.H.); (C.-L.K.)
| | - Chia-Ling Ko
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, Taichung City 407, Taiwan; (B.-S.S.); (S.-M.L.); (S.-M.H.); (C.-L.K.)
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Wen-Cheng Chen
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, Taichung City 407, Taiwan; (B.-S.S.); (S.-M.L.); (S.-M.H.); (C.-L.K.)
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Fragrance and Cosmetic Science, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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Chen MW, Fan D, Liu X, Han D, Jin Y, Ao Y, Chen Y, Liu Z, Feng Y, Ling S, Liang K, Kong W, Xu J, Du Y. Water Transport-Induced Liquid-Liquid Phase Separation Facilitates Gelation for Controllable and Facile Fabrication of Physically Crosslinked Microgels. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2405109. [PMID: 38845131 DOI: 10.1002/adma.202405109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/26/2024] [Indexed: 07/07/2024]
Abstract
Physically crosslinked microgels (PCMs) offer a biocompatible platform for various biomedical applications. However, current PCM fabrication methods suffer from their complexity and poor controllability, due to their reliance on altering physical conditions to initiate gelation and their dependence on specific materials. To address this issue, a novel PCM fabrication method is devised, which employs water transport-induced liquid-liquid phase separation (LLPS) to trigger the intermolecular interaction-supported sol-gel transition within aqueous emulsion droplets. This method enables the controllable and facile generation of PCMs through a single emulsification step, allowing for the facile production of PCMs with various materials and sizes, as well as controllable structures and mechanical properties. Moreover, this PCM fabrication method holds great promise for diverse biomedical applications. The interior of the PCM not only supports the encapsulation and proliferation of bacteria but also facilitates the encapsulation of eukaryotic cells after transforming the system into an all-aqueous emulsion. Furthermore, through appropriate surface functionalization, the PCMs effectively activate T cells in vitro upon coculturing. This work represents an advancement in PCM fabrication and offers new insights and perspectives for microgel engineering.
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Affiliation(s)
- Michael W Chen
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Dongdong Fan
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Xiangjian Liu
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Dongbo Han
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Yuhong Jin
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Yanxiao Ao
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Yuyang Chen
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Zhiqiang Liu
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Yiting Feng
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Sida Ling
- The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Kaini Liang
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Wenyu Kong
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
| | - Jianhong Xu
- The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Yanan Du
- School of Biomedical Engineering, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
- National Key Laboratory of Kidney Diseases, Beijing, 100039, P. R. China
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Liu Y, Zhang Y, Yao W, Chen P, Cao Y, Shan M, Yu S, Zhang L, Bao B, Cheng FF. Recent Advances in Topical Hemostatic Materials. ACS APPLIED BIO MATERIALS 2024; 7:1362-1380. [PMID: 38373393 DOI: 10.1021/acsabm.3c01144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
Untimely or improper treatment of traumatic bleeding may cause secondary injuries and even death. The traditional hemostatic modes can no longer meet requirements of coping with complicated bleeding emergencies. With scientific and technological advancements, a variety of topical hemostatic materials have been investigated involving inorganic, biological, polysaccharide, and carbon-based hemostatic materials. These materials have their respective merits and defects. In this work, the application and mechanism of the major hemostatic materials, especially some hemostatic nanomaterials with excellent adhesion, good biocompatibility, low toxicity, and high adsorption capacity, are summarized. In the future, it is the prospect to develop multifunctional hemostatic materials with hemostasis and antibacterial and anti-inflammatory properties for promoting wound healing.
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Affiliation(s)
- Yang Liu
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Yi Zhang
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Weifeng Yao
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Peidong Chen
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Yudan Cao
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Mingqiu Shan
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Sheng Yu
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Li Zhang
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Beihua Bao
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Fang-Fang Cheng
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
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Shao H, Wu X, Xiao Y, Yang Y, Ma J, Zhou Y, Chen W, Qin S, Yang J, Wang R, Li H. Recent research advances on polysaccharide-, peptide-, and protein-based hemostatic materials: A review. Int J Biol Macromol 2024; 261:129752. [PMID: 38280705 DOI: 10.1016/j.ijbiomac.2024.129752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 11/05/2023] [Accepted: 01/23/2024] [Indexed: 01/29/2024]
Abstract
Hemorrhage is a potentially life-threatening emergency that can occur at any time or place. Whether traumatic, congenital, surgical, disease-related, or drug-induced, bleeding can lead to severe complications or death. Therefore, the development of efficient hemostatic materials is critical. However, the results and prognosis demonstrated by clinical means of hemostasis do not reach expectations. With the development of technology, novel hemostatic materials have been developed from polysaccharides (chitosan, hyaluronic acid, alginate, cellulose, cyclodextrins, starch, dextran, and carrageenan), peptides (self-assembling peptides), and proteins (silk fibroin, collagen, gelatin, keratin, and thrombin). These new materials exhibit high hemostatic efficacy due to the enhancement or interaction of various hemostatic mechanisms. The main forms include adhesives, sealants, bandages, hemostatic powders, and hemostatic sponges. This article introduces the clotting process and principles of hemostatic methods and reviews the research on polysaccharide-, peptide-, and protein-based hemostatic materials in the last five years. The design ideas and hemostatic principles of polysaccharide-, peptide-, and protein-based hemostatic materials are mainly introduced. Finally, we summarize material designs, advantages, disadvantages, and challenges regarding hemostatic materials.
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Affiliation(s)
- Hanjie Shao
- Ningbo Medical Center Li Huili Hospital, Health Science Center, Ningbo University, Ningbo 315000, PR China; Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, PR China; Ningbo Cixi Institute of Biomedical Engineering, Ningbo 315300, PR China
| | - Xiang Wu
- Ningbo Medical Center Li Huili Hospital, Health Science Center, Ningbo University, Ningbo 315000, PR China; Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, PR China; Ningbo Cixi Institute of Biomedical Engineering, Ningbo 315300, PR China
| | - Ying Xiao
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, PR China; Ningbo Cixi Institute of Biomedical Engineering, Ningbo 315300, PR China
| | - Yanyu Yang
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, PR China; Ningbo Cixi Institute of Biomedical Engineering, Ningbo 315300, PR China
| | - Jingyun Ma
- Ningbo Institute of Innovation for Combined Medicine and Engineering, The Affiliated Li Huili Hospital, Ningbo University, Ningbo 315100, PR China
| | - Yang Zhou
- Ningbo Institute of Innovation for Combined Medicine and Engineering, The Affiliated Li Huili Hospital, Ningbo University, Ningbo 315100, PR China
| | - Wen Chen
- Ningbo Medical Center Li Huili Hospital, Health Science Center, Ningbo University, Ningbo 315000, PR China
| | - Shaoxia Qin
- Ningbo Medical Center Li Huili Hospital, Health Science Center, Ningbo University, Ningbo 315000, PR China
| | - Jiawei Yang
- Ningbo Medical Center Li Huili Hospital, Health Science Center, Ningbo University, Ningbo 315000, PR China
| | - Rong Wang
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, PR China; Ningbo Cixi Institute of Biomedical Engineering, Ningbo 315300, PR China.
| | - Hong Li
- Ningbo Medical Center Li Huili Hospital, Health Science Center, Ningbo University, Ningbo 315000, PR China.
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Ren Z, Wang Y, Wu H, Cong H, Yu B, Shen Y. Preparation and application of hemostatic microspheres containing biological macromolecules and others. Int J Biol Macromol 2024; 257:128299. [PMID: 38008144 DOI: 10.1016/j.ijbiomac.2023.128299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 11/18/2023] [Accepted: 11/18/2023] [Indexed: 11/28/2023]
Abstract
Bleeding from uncontrollable wounds can be fatal, and the body's clotting mechanisms are unable to control bleeding in a timely and effective manner in emergencies such as battlefields and traffic accidents. For irregular and inaccessible wounds, hemostatic materials are needed to intervene to stop bleeding. Hemostatic microspheres are promising for hemostasis, as their unique structural features can promote coagulation. There is a wide choice of materials for the preparation of microspheres, and the modification of natural macromolecular materials such as chitosan to enhance the hemostatic properties and make up for the deficiencies of synthetic macromolecular materials makes the hemostatic microspheres multifunctional and expands the application fields of hemostatic microspheres. Here, we focus on the hemostatic mechanism of different materials and the preparation methods of microspheres, and introduce the modification methods, related properties and applications (in cancer therapy) for the structural characteristics of hemostatic microspheres. Finally, we discuss the future trends of hemostatic microspheres and research opportunities for developing the next generation of hemostatic microsphere materials.
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Affiliation(s)
- Zekai Ren
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Yumei Wang
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Han Wu
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Hailin Cong
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; School of Materials Science and Engineering, Shandong University of Technology, Zibo 255000, China.
| | - Bing Yu
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China.
| | - Youqing Shen
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Center for Bionanoengineering, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
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Aycan D, Gül İ, Yorulmaz V, Alemdar N. Gelatin microsphere-alginate hydrogel combined system for sustained and gastric targeted delivery of 5-fluorouracil. Int J Biol Macromol 2024; 255:128022. [PMID: 37972837 DOI: 10.1016/j.ijbiomac.2023.128022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 11/03/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023]
Abstract
In the current study, novel gelatin microspheres/methacrylated alginate hydrogel combined system (5-FU-GELms/Alg-MA) was developed for gastric targeted delivery of 5-fluorouracil as an anticancer agent. While water-in-oil emulsification method was used for the production of 5-FU-GELms, Alg-MA was synthesized through methacrylation reaction occurred by epoxide ring-opening mechanism. Then, 5-FU-GELms/Alg-MA hydrogel system was fabricated by the encapsulation of 5-FU-GELms into Alg-MA hydrogel network via UV-crosslinking. To evaluate applicability of fabricated 5-FU-GELms/Alg-MA as gastric targeted drug delivery vehicle, both swelling and in vitro drug release experiments were carried out at pH 1.2 medium resembling gastric fluid. Compared to drug release directly from 5-FU-GELms, 5-FU-GELms/Alg-MA hydrogel system showed more controlled and sustained drug release profile with lower amount of cumulative release starting from early stages, since hydrogel matrix created a barrier to the diffusion of 5-FU included in microspheres. Drug release kinetic results obtained by applying various kinetic models to release data showed that the mechanism of 5-FU release from 5-FU-GELms/Alg-MA hydrogel system is controlled by Fickian diffusion. All results revealed that 5-FU-GELms/Alg-MA hydrogel integrated system could be potentially utilized as gastric targeted drug carrier to enhance therapeutic efficacy and reduce systemic side effects in gastric cancer treatments for future studies.
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Affiliation(s)
- Didem Aycan
- Marmara University, Department of Chemical Engineering, Istanbul, Turkey
| | - İnanç Gül
- Marmara University, Department of Chemical Engineering, Istanbul, Turkey
| | - Valeria Yorulmaz
- Marmara University, Department of Chemical Engineering, Istanbul, Turkey
| | - Neslihan Alemdar
- Marmara University, Department of Chemical Engineering, Istanbul, Turkey.
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Li W, Xu K, Liu Y, Lei X, Ru X, Guo P, Feng H, Chen Y, Xing M. Hydrophobic Polystyrene-Modified Gelatin Enhances Fast Hemostasis and Tissue Regeneration in Traumatic Brain Injury. Adv Healthc Mater 2023; 12:e2300708. [PMID: 37442090 DOI: 10.1002/adhm.202300708] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 06/23/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023]
Abstract
Hemostatic sealant is required to deal with blood loss, especially in the scenario of traumatic brain injury (TBI), which presents high rates of morbidity and disability. Hemostasis in surgery with traditional gelatin-based sealants often leads to blood loss and other issues in brain because of the hydrophilic gelatin swelling. Herein, hydrophobic effects on the hemostasis in TBI surgery are studied by tuning the chain length of polystyrene (PS) onto methylacrylated gelatin (Gel-MA). The hydrophobicity and hemostatic efficiency can be tuned by controlling the length of PS groups. The platelet activation of modified sealants Gel-MA-2P, Gel-MA-P, and Gel-MA-0.5P is as much as 17.5, 9.1, and 2.1 times higher than Gel-MA in vitro. The hemostatic time of Gel-MA-2P, Gel-MA-P, and Gel-MA-0.5P groups is 2.0-, 1.6-, and 1.1-folds faster than that in Gel-MA group in TBI mice. Increased formation of fibrins and platelet aggregation can also be observed in vitro by scanning electron microscopy. Animal's mortality is lowered by 46%, neurologic deficiency is reduced by 1.5 times, and brain edema is attenuated by 10%. Protein expression is further investigated to exhibit toxic iron-related processes caused by delayed hemostasis and activation of platelets via PI3K/PKC-α signaling. The hydrophobic Gel-MA has the potential in hemostatic TBI and promotes nervous system recovery in brain with the potentials in clinics.
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Affiliation(s)
- Wenyan Li
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Kaige Xu
- Department of Mechanical Engineering, University of Manitoba, 75 Chancellors Circle, Winnipeg, MB, R3T 5V6, Canada
| | - Yuqing Liu
- Department of Mechanical Engineering, University of Manitoba, 75 Chancellors Circle, Winnipeg, MB, R3T 5V6, Canada
| | - Xuejiao Lei
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Xufang Ru
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Peiwen Guo
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Hua Feng
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Yujie Chen
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Malcolm Xing
- Department of Mechanical Engineering, University of Manitoba, 75 Chancellors Circle, Winnipeg, MB, R3T 5V6, Canada
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Liu T, Li Y, Wang L, Zhang X, Zhang Y, Gai X, Chen L, Liu L, Yang L, Wang B. Network pharmacology-based exploration identified the antiviral efficacy of Quercetin isolated from mulberry leaves against enterovirus 71 via the NF-κB signaling pathway. Front Pharmacol 2023; 14:1260288. [PMID: 37795035 PMCID: PMC10546324 DOI: 10.3389/fphar.2023.1260288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 09/06/2023] [Indexed: 10/06/2023] Open
Abstract
Introduction: Mulberry leaf (ML) is known for its antibacterial and anti-inflammatory properties, historically documented in "Shen Nong's Materia Medica". This study aimed to investigate the effects of ML on enterovirus 71 (EV71) using network pharmacology, molecular docking, and in vitro experiments. Methods: We successfully pinpointed shared targets between mulberry leaves (ML) and the EV71 virus by leveraging online databases. Our investigation delved into the interaction among these identified targets, leading to the identification of pivotal components within ML that possess potent anti-EV71 properties. The ability of these components to bind to the targets was verified by molecular docking. Moreover, bioinformatics predictions were used to identify the signaling pathways involved. Finally, the mechanism behind its anti-EV71 action was confirmed through in vitro experiments. Results: Our investigation uncovered 25 active components in ML that targeted 231 specific genes. Of these genes, 29 correlated with the targets of EV71. Quercetin, a major ingredient in ML, was associated with 25 of these genes. According to the molecular docking results, Quercetin has a high binding affinity to the targets of ML and EV71. According to the KEGG pathway analysis, the antiviral effect of Quercetin against EV71 was found to be closely related to the NF-κB signaling pathway. The results of immunofluorescence and Western blotting showed that Quercetin significantly reduced the expression levels of VP1, TNF-α, and IL-1β in EV71-infected human rhabdomyosarcoma cells. The phosphorylation level of NF-κB p65 was reduced, and the activation of NF-κB signaling pathway was suppressed by Quercetin. Furthermore, our results showed that Quercetin downregulated the expression of JNK, ERK, and p38 and their phosphorylation levels due to EV71 infection. Conclusion: With these findings in mind, we can conclude that inhibiting the NF-κB signaling pathway is a critical mechanism through which Quercetin exerts its anti-EV71 effectiveness.
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Affiliation(s)
- Tianrun Liu
- School of Medicine, Jiamusi University, Jiamusi, China
| | - Yingyu Li
- School of Medicine, Jiamusi University, Jiamusi, China
| | - Lumeng Wang
- School of Medicine, Jiamusi University, Jiamusi, China
| | | | - Yuxuan Zhang
- School of Medicine, Jiamusi University, Jiamusi, China
| | - Xuejie Gai
- The Affiliated First Hospital, Jiamusi University, Jiamusi, China
| | - Li Chen
- School of Medicine, Jiamusi University, Jiamusi, China
| | - Lei Liu
- School of Medicine, Jiamusi University, Jiamusi, China
| | - Limin Yang
- School of Medicine, Dalian University, Dalian, China
| | - Baixin Wang
- School of Medicine, Jiamusi University, Jiamusi, China
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Zheng C, Gao Q, Quan Y, Bai Q, Hu F, Chen W, Liu J, Zhang Y, Lu T. Preparation and Hemostatic Effect of Micro-Nanograded Porous Particles Doped with Dopamine-Based Water-Triggered Intelligent Composite Adhesives. ACS APPLIED MATERIALS & INTERFACES 2023; 15:39847-39863. [PMID: 37578471 DOI: 10.1021/acsami.3c07062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
The wet environment of water or tissue in bleeding wounds poses significant challenges to the adhesion performance of existing hemostatic adhesives. An intelligent composite adhesive prepared by doping starch-based silicate micro-nanograded porous particles (MBC@CMS) with dopamine-hyperbranched polymers (HPD, 7800 Mw) synthesized by the Michael addition reaction could be triggered by water to form a glue (MBC@CMS-HPD). The results indicated that MBC@CMS-HPD could still have adhesion properties under running water washing and water immersion and could effectively seal the water outlet. The results of the glue-forming mechanism showed that MBC@CMS-HPD had better wettability than water, which could eliminate water molecules at the wet adhesive surface. When contacted with water, the agglomeration of the HPD hydrophobic chain increases the exposure of the catechol group, and the relative atomic mass of the N element on the surface increases from 2.8 to 4.8%. The adhesion of MBC@CMS-HPD was enhanced and stable. MBC@CMS-HPD showed significant hemostasis effects in five injury bleeding models of Sprague-Dawley (SD) rats and New Zealand rabbits. Especially in the fatal femoral artery bleeding model of New Zealand rabbits, MBC@CMS-HPD reduced the amount of bleeding by 75% and shortened the bleeding time by 78% compared with the a-cyanoacrylate adhesives. The results of the coagulation mechanism showed that compared with HPD, MBC@CMS-HPD could activate both endogenous and exogenous coagulation pathways. Among them, after contact with blood, HPD formed a gel to close the blood outlet, and MBC@CMS entered the wound to activate the internal and external coagulation pathways. In addition, HPD and MBC@CMS had good histocompatibility and degradability, which has the potential to be applied to different wounds.
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Affiliation(s)
- Caiyun Zheng
- School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, Beilin District, Xi'an, Shaanxi 710072, P. R. China
| | - Qian Gao
- School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, Beilin District, Xi'an, Shaanxi 710072, P. R. China
| | - Yanxiao Quan
- School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, Beilin District, Xi'an, Shaanxi 710072, P. R. China
| | - Que Bai
- School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, Beilin District, Xi'an, Shaanxi 710072, P. R. China
| | - Fangfang Hu
- School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, Beilin District, Xi'an, Shaanxi 710072, P. R. China
| | - Wenting Chen
- School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, Beilin District, Xi'an, Shaanxi 710072, P. R. China
| | - Jinxi Liu
- School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, Beilin District, Xi'an, Shaanxi 710072, P. R. China
| | - Yanni Zhang
- School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, Beilin District, Xi'an, Shaanxi 710072, P. R. China
| | - Tingli Lu
- School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, Beilin District, Xi'an, Shaanxi 710072, P. R. China
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10
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Gheorghiță D, Moldovan H, Robu A, Bița AI, Grosu E, Antoniac A, Corneschi I, Antoniac I, Bodog AD, Băcilă CI. Chitosan-Based Biomaterials for Hemostatic Applications: A Review of Recent Advances. Int J Mol Sci 2023; 24:10540. [PMID: 37445718 DOI: 10.3390/ijms241310540] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/14/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Hemorrhage is a detrimental event present in traumatic injury, surgery, and disorders of bleeding that can become life-threatening if not properly managed. Moreover, uncontrolled bleeding can complicate surgical interventions, altering the outcome of surgical procedures. Therefore, to reduce the risk of complications and decrease the risk of morbidity and mortality associated with hemorrhage, it is necessary to use an effective hemostatic agent that ensures the immediate control of bleeding. In recent years, there have been increasingly rapid advances in developing a novel generation of biomaterials with hemostatic properties. Nowadays, a wide array of topical hemostatic agents is available, including chitosan-based biomaterials that have shown outstanding properties such as antibacterial, antifungal, hemostatic, and analgesic activity in addition to their biocompatibility, biodegradability, and wound-healing effects. This review provides an analysis of chitosan-based hemostatic biomaterials and discusses the progress made in their performance, mechanism of action, efficacy, cost, and safety in recent years.
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Affiliation(s)
- Daniela Gheorghiță
- Faculty of Material Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, District 6, 060042 Bucharest, Romania
| | - Horațiu Moldovan
- Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Cardiovascular Surgery, Clinical Emergency Hospital Bucharest, 014461 Bucharest, Romania
- Academy of Romanian Scientists, 54 Splaiul Independentei, 050094 Bucharest, Romania
| | - Alina Robu
- Faculty of Material Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, District 6, 060042 Bucharest, Romania
| | - Ana-Iulia Bița
- Faculty of Material Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, District 6, 060042 Bucharest, Romania
| | - Elena Grosu
- Faculty of Material Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, District 6, 060042 Bucharest, Romania
| | - Aurora Antoniac
- Faculty of Material Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, District 6, 060042 Bucharest, Romania
| | - Iuliana Corneschi
- Faculty of Material Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, District 6, 060042 Bucharest, Romania
| | - Iulian Antoniac
- Faculty of Material Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, District 6, 060042 Bucharest, Romania
- Academy of Romanian Scientists, 54 Splaiul Independentei, 050094 Bucharest, Romania
| | - Alin Dănuț Bodog
- Faculty of Medicine and Pharmacy, University of Oradea, 10 P-ta 1 December Street, 410073 Oradea, Romania
| | - Ciprian Ionuț Băcilă
- Faculty of Medicine, Lucian Blaga University of Sibiu, 10 Victoriei Boulevard, 550024 Sibiu, Romania
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11
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Szymanski L, Gołaszewska K, Małkowska J, Kaczyńska J, Gołębiewska M, Gromadka B, Matak D. Safety and Performance of Hemostatic Powders. MEDICAL DEVICES-EVIDENCE AND RESEARCH 2023; 16:133-144. [PMID: 37313450 PMCID: PMC10259579 DOI: 10.2147/mder.s407838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 05/16/2023] [Indexed: 06/15/2023] Open
Abstract
Background Hemorrhage, a sudden and severe leakage of blood due to the disruption of blood vessels, is one of the most common causes of death from injuries worldwide. Severe bleeding accounts for more than 35% of pre-hospital deaths and about 40% of deaths recorded within 24 hours of injury. One of the methods for achieving homeostasis is the use of hemostatic powders. This study compares the basic safety and performance of the most popular hemostatic powders. Methods Basic safety of commercially available products were evaluated using MTT, MEM elution assay, and endotoxin testing. The in vitro performance was evaluated using water absorption capacity, water absorption rate, and adhesion strength assays. Results 4Seal, Starsil, and 4DryField extracts did not cause cytotoxicity in MTT and MEM elution assays. PerClot and SuperClot extracts demonstrated cytotoxic potential in MTT assay, while Arista extract was cytotoxic in both MEM elution and MTT assays. 4Seal has the lowest endotoxin contamination, followed by PerClot, 4DryField, SuperClot, Arista, and Starsil. 4Seal and Starsil showed significantly highest WAR among the tested samples, followed by 4DryField, Arista, PerClot, and SuperClot. Adhesion force is highest for 4Seal, followed by Starsil, PerClot, 4DryField Arista, and SuperClot. Conclusion 4Seal is the most versatile in terms of safety and functional properties compared to 4DryField, Arista, PerClot, Starsil, and SuperClot.
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Affiliation(s)
- Lukasz Szymanski
- Department of Molecular Biology, Institute of Genetics and Animal Biotechnology, Polish Academy of Science, Magdalenka, 05-552, Poland
- European Biomedical Institute, Jozefow, 05-410, Poland
| | | | | | | | | | | | - Damian Matak
- European Biomedical Institute, Jozefow, 05-410, Poland
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12
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Mecwan M, Li J, Falcone N, Ermis Sen M, Hassani A, Haghniaz R, Mandal K, Sharma S, Maity S, Zehtabi F, Zamanian B, Herculano R, Akbari M, John JV, Khademhosseini A. Recent advances in biopolymer-based hemostatic materials. Regen Biomater 2022; 9:rbac063. [PMID: 36196294 PMCID: PMC9522468 DOI: 10.1093/rb/rbac063] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 08/09/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
Hemorrhage is the leading cause of trauma-related deaths, in hospital and pre-hospital settings. Hemostasis is a complex mechanism that involves a cascade of clotting factors and proteins that result in the formation of a strong clot. In certain surgical and emergency situations, hemostatic agents are needed to achieve faster blood coagulation to prevent the patient from experiencing a severe hemorrhagic shock. Therefore, it is critical to consider appropriate materials and designs for hemostatic agents. Many materials have been fabricated as hemostatic agents, including synthetic and naturally derived polymers. However, compared to synthetic polymers, natural polymers or biopolymers, which include polysaccharides and polypeptides, have greater biocompatibility, biodegradability, and processibility. Thus, in this review, we focus on biopolymer-based hemostatic agents of different forms, such as powder, particles, sponges, and hydrogels. Finally, we discuss biopolymer-based hemostats currently in clinical trials and offer insight into next-generation hemostats for clinical translation.
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Affiliation(s)
- Marvin Mecwan
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Jinghang Li
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Natashya Falcone
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Menekse Ermis Sen
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Alireza Hassani
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Reihaneh Haghniaz
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Kalpana Mandal
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Saurabh Sharma
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Surjendu Maity
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Fatemeh Zehtabi
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Behnam Zamanian
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Rondinelli Herculano
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
- São Paulo State University (UNESP), Bioengineering & Biomaterials Group, School of Pharmaceutical Sciences , Araraquara, SP, Brazil
- São Paulo State University (UNESP), Department of Biotechnology, School of Sciences , Humanities and Languages, Assis, SP, Brazil
| | - Mohsen Akbari
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
- University of Victoria Department of Mechanical Engineering, , Victoria, British Columbia, Canada
- Biotechnology Center, Silesian University of Technology , Akademicka 2A, Gliwice, 44-100, Poland
| | - Johnson V John
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
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13
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Xu Z, Tian W, Wen C, Ji X, Diao H, Hou Y, Fan J, Liu Z, Ji T, Sun F, Wu D, Zhang J. Cellulose-Based Cryogel Microspheres with Nanoporous and Controllable Wrinkled Morphologies for Rapid Hemostasis. NANO LETTERS 2022; 22:6350-6358. [PMID: 35912616 DOI: 10.1021/acs.nanolett.2c02144] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
First-aid hemostatic agents for acute bleeding can save lives in emergency situations. However, rapid hemostasis remains challenging when uncontrolled hemorrhage occurs on lethal noncompressible and irregular wounds. Herein, cellulose-based cryogel microspheres with deliberately customized micromorphologies for ultrafast water transportation and diffusion, including the shark skin riblet-inspired wrinkled surface with low fluid drag and the hydrophilic nanoporous 3D networks, are developed to deal with the acute noncompressible bleeding within seconds. These cryogel microspheres can rapidly absorb a large amount of blood over 6 times their own weight in 10 s and form a robust barrier to seal a bleeding wound without applying pressure. Remarkably, massive bleeding from a cardiac penetrating hole is effectively stopped using the microspheres within 20 s and no blood leakage is observed after 30 min. Additionally, these microspheres could be readily removed without rebleeding and capillary thrombus, which is highly favorable to rapid hemostasis in emergency rescue.
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Affiliation(s)
- Zhan Xu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Weiguo Tian
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry Chinese Academy of Sciences (CAS), Beijing 100190, China
| | - Chaojun Wen
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xin Ji
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huailing Diao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yuzhen Hou
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jialiang Fan
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zongxi Liu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tianjiao Ji
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
| | - Feifei Sun
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
| | - Decheng Wu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry Chinese Academy of Sciences (CAS), Beijing 100190, China
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Jun Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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14
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Feng CC, Lu WF, Liu YC, Liu TH, Chen YC, Chien HW, Wei Y, Chang HW, Yu J. A hemostatic keratin/alginate hydrogel scaffold with methylene blue mediated antimicrobial photodynamic therapy. J Mater Chem B 2022; 10:4878-4888. [PMID: 35698997 DOI: 10.1039/d2tb00898j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Uncontrollable bleeding and infection are two of the most common causes of trauma-related death. Yet, developing safe materials with high hemostatic and antibacterial effectiveness remains a challenge. Keratin-based biomaterials have been reported to exhibit the functions of enhancing platelet binding and activating and facilitating fibrinogen polymerization. In this study, we designed a hemostatic material with good biodegradability, biocompatibility, hemostatic ability, and antibacterial function to solve the shortcomings of common hemostatic materials. Methylene blue-loaded keratin/alginate composite scaffolds were prepared by the freeze-gelation method. The composite scaffolds exhibited over 1600% liquid absorption, well-interconnected pores, good biocompatibility, and biodegradability. We find that the keratin/alginate composite scaffolds' synergistic action may significantly reduce hemostasis time. To prevent infection, the drug-loaded scaffolds generated high burst release by absorbing wound exudate in the early stages of wound healing. The results obtained by the antimicrobial photoinactivation assay in vitro suggest that an antimicrobial photodynamic effect might be triggered, thereby preventing the fast growth of colonies.
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Affiliation(s)
- Ching-Chih Feng
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei 106, Taiwan.
| | - Wei-Fan Lu
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei 106, Taiwan.
| | - Yi-Chen Liu
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei 106, Taiwan.
| | - Tai-Hung Liu
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei 106, Taiwan.
| | - Yin-Chuan Chen
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei 106, Taiwan.
| | - Hsiu-Wen Chien
- Department of Chemical and Materials Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 824, Taiwan
| | - Yang Wei
- Department of Chemical Engineering & Biotechnology, National Taipei University of Technology, Taipei 106, Taiwan
| | - Hui-Wen Chang
- School of Veterinary Medicine, National Taiwan University, Taipei 106, Taiwan
| | - Jiashing Yu
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei 106, Taiwan.
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15
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Natural Scaffolds Used for Liver Regeneration: A Narrative Update. Stem Cell Rev Rep 2022; 18:2262-2278. [PMID: 35320512 DOI: 10.1007/s12015-022-10362-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/05/2022] [Indexed: 10/18/2022]
Abstract
Annually chronic liver diseases cause two million death worldwide. Although liver transplantation (LT) is still considered the best therapeutic option, the limited number of donated livers and lifelong side effects of LT has led researchers to seek alternative therapies. Tissue engineering (TE) as a promising method is considered for liver repair and regeneration. TE uses natural or synthetic scaffolds, functional somatic cells, multipotent stem cells, and growth factors to develop new organs. Biological scaffolds are notable in TE because of their capacity to mimic extracellular matrices, biodegradability, and biocompatibility. Moreover, natural scaffolds are classified based on their source and function in three separate groups. Hemostat-based scaffolds as the first group were reviewed for their application in coagulation in liver injury or surgery. Furthermore, recent studies showed improvement in the function of biological hydrogels in liver regeneration and vascularity. In addition, different applications of natural scaffolds were discussed and compared with synthetic scaffolds. Finally, we focused on the efforts to improve the performance of decellularized extracellular matrixes for liver implantation.
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16
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Oviedo M, Montoya Y, Agudelo W, García-García A, Bustamante J. Effect of Molecular Weight and Nanoarchitecture of Chitosan and Polycaprolactone Electrospun Membranes on Physicochemical and Hemocompatible Properties for Possible Wound Dressing. Polymers (Basel) 2021; 13:4320. [PMID: 34960871 PMCID: PMC8703617 DOI: 10.3390/polym13244320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 11/29/2021] [Accepted: 12/03/2021] [Indexed: 12/03/2022] Open
Abstract
Tissue engineering has focused on the development of biomaterials that emulate the native extracellular matrix. Therefore, the purpose of this research was oriented to the development of nanofibrillar bilayer membranes composed of polycaprolactone with low and medium molecular weight chitosan, evaluating their physicochemical and biological properties. Two-bilayer membranes were developed by an electrospinning technique considering the effect of chitosan molecular weight and parameter changes in the technique. Subsequently, the membranes were evaluated by scanning electron microscopy, Fourier transform spectroscopy, stress tests, permeability, contact angle, hemolysis evaluation, and an MTT test. From the results, it was found that changes in the electrospinning parameters and the molecular weight of chitosan influence the formation, fiber orientation, and nanoarchitecture of the membranes. Likewise, it was evidenced that a higher molecular weight of chitosan in the bilayer membranes increases the stiffness and favors polar anchor points. This increased Young's modulus, wettability, and permeability, which, in turn, influenced the reduction in the percentage of cell viability and hemolysis. It is concluded that the development of biomimetic bilayer nanofibrillar membranes modulate the physicochemical properties and improve the hemolytic behavior so they can be used as a hemocompatible biomaterial.
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Affiliation(s)
- Maria Oviedo
- Grupo de Dinámica Cardiovascular, Centro de Bioingeniería, Universidad Pontificia Bolivariana, Medellín 050031, Colombia; (M.O.); (W.A.); (J.B.)
| | - Yuliet Montoya
- Grupo de Dinámica Cardiovascular, Centro de Bioingeniería, Universidad Pontificia Bolivariana, Medellín 050031, Colombia; (M.O.); (W.A.); (J.B.)
| | - Wilson Agudelo
- Grupo de Dinámica Cardiovascular, Centro de Bioingeniería, Universidad Pontificia Bolivariana, Medellín 050031, Colombia; (M.O.); (W.A.); (J.B.)
| | - Alejandra García-García
- Laboratorio de Síntesis and Modificación de Nanoestructuras and Materiales Bidimensionales, Centro de Investigación en Materiales Avanzados, Chihuahua 31136, Mexico;
| | - John Bustamante
- Grupo de Dinámica Cardiovascular, Centro de Bioingeniería, Universidad Pontificia Bolivariana, Medellín 050031, Colombia; (M.O.); (W.A.); (J.B.)
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17
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Arunagiri V, Tsai HC, Darge HF, Chiang HW, Thankachan D, Mei CJ, Lai JY. Preparation of physically crosslinked polyelectrolyte Gelatin-Tannic acid-κ-Carrageenan (GTC) microparticles as hemostatic agents. Int J Biol Macromol 2021; 191:324-334. [PMID: 34530038 DOI: 10.1016/j.ijbiomac.2021.09.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/25/2021] [Accepted: 09/01/2021] [Indexed: 12/17/2022]
Abstract
In humans, excessive bleeding during civilian accidents, and surgery account for 40% of the mortality worldwide. Hence, the development of biocompatible hemostatic materials useful for rapid hemorrhage control has become a fundamental research problem in the biomedicine community. In this study, we prepared biocompatible gelatin-tannic acid-κ-carrageenan (GTC) microparticles using a facile Tween 80 stabilized water-in-oil (W/O) emulsion method for rapid hemostasis. The formation of GTC microparticles occurs via polyelectrolyte interactions between gelatin and k-carrageenan as well as hydrogen bonding from tannic acid. In addition, the GTC microparticles formulated in our study showed high water adsorption ability with a low volume-swelling ratio for a particle size of 46 μm. In addition, the GTC microparticles displayed >80% biocompatibility in NIH 3T3 cells and <5% hemocompatibility in hemolysis ratio tests. Notably, the GTC microparticles induced rapid blood clotting in 50 s and blood loss of approximately 46 mg in the femoral artery of BALB/c female mice with a 100% survival rate that was significantly better than the control group (blood clot time:250 s; blood loss: 259 mg). Thus, the findings from our study collectively suggest that GTC microparticles may play a promising clinical role in medical applications to tackle hemorrhage control.
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Affiliation(s)
- Vinothini Arunagiri
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Hsieh-Chih Tsai
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC; Advanced Membrane Materials Centre, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC; R&D Centre for Membrane Technology, Chung Yuan Christian University, Chungli, Taoyuan 320, Taiwan, ROC.
| | - Haile Fentahun Darge
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC; College of Medicine and Health Science, Bahir Dar University, Bahir Dar 79, Ethiopia
| | - Hung Wei Chiang
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Darieo Thankachan
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Chia-Jui Mei
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Juin-Yih Lai
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC; Advanced Membrane Materials Centre, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC; R&D Centre for Membrane Technology, Chung Yuan Christian University, Chungli, Taoyuan 320, Taiwan, ROC
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18
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Gelli R, Mugnaini G, Bolognesi T, Bonini M. Cross-linked Porous Gelatin Microparticles with Tunable Shape, Size, and Porosity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:12781-12789. [PMID: 34706538 DOI: 10.1021/acs.langmuir.1c01508] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Gelatin particles are relevant to many applications in the biomedical field due to their excellent biocompatibility and versatility. When prepared by double emulsion methods, porous microparticles with different architectures can be obtained. Controlling the shape, size, porosity, swelling, and stability against dissolution is fundamental toward their application under physiological conditions. We prepared porous gelatin microparticles from oil-in-water-in-oil emulsions, modifying the gelatin/surfactant ratio and the stirring speed. The effect on structural properties, including surface and inner porosities, was thoroughly assessed by multiple microscopy techniques (optical, electron, and confocal Raman). Selected samples were cross-linked with glutaraldehyde or glyceraldehyde, and their swelling properties and stability against dissolution were evaluated, while the influence of the cross-linking at the nanoscale was studied by scattering of X-rays. Depending on the preparation protocol, we obtained particles with different shapes (irregular or spherical), radii within ∼40 to 90 μm, and porosities up to 10 μm. The cross-linking extends the stability in water from a few minutes up to several days while the swelling ability and the mesh size at the nanoscale of the gelatin network are preserved. The analysis of the experimental results as a function of the preparation parameters demonstrates that microparticles with tunable features can be designed.
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Affiliation(s)
- Rita Gelli
- CSGI & Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino (FI), Italy
| | - Giulia Mugnaini
- CSGI & Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino (FI), Italy
| | - Tessa Bolognesi
- CSGI & Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino (FI), Italy
| | - Massimo Bonini
- CSGI & Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino (FI), Italy
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19
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Pan H, Shi C, Yang R, Xi G, Lu C, Yang X, Chen J, Wang X, Chen L, Pan J. Controlled release of KGF-2 for regulation of wound healing by KGF-2 complexed with "lotus seedpod surface-like" porous microspheres. J Mater Chem B 2021; 9:4039-4049. [PMID: 33949618 DOI: 10.1039/d1tb00148e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Keratinocyte growth factor-2 (KGF-2) can regulate the proliferation and differentiation of keratinocyte, which plays a remarkable role in maintaining normal tissue structure and promoting wound healing. As an effective strategy, KGF-2 solution is widely used in the treatment of wounds in clinical applications. However, KGF-2 in solution cannot achieve sustained release, which results in drug loss and unnecessary waste. Polysaccharide hemostasis microspheres (PHMs) are an ideal drug loading platform due to their special "lotus seedpod surface-like" morphology and structure. Herein, to realize the controllable release of KGF-2, PHMs loaded with KGF-2 (KGF-2@PHMs) were prepared. It was found that the bioavailability of KGF-2 was improved greatly. Most importantly, KGF-2@PHMs can reduce inflammation and accelerate the wound healing process due to the controlled release of KGF-2. KGF-2@PHMs might be a potential alternative strategy for wound healing in future clinical applications.
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Affiliation(s)
- Hao Pan
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
| | - Changcan Shi
- Wenzhou Institute of Biomaterials and Engineering, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China
| | - Rongshuai Yang
- Wenzhou Medical University, Chashan University Park, Wenzhou 325035, China.
| | - Guanghui Xi
- Wenzhou Institute of Biomaterials and Engineering, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China
| | - Chao Lu
- Wenzhou Medical University, Chashan University Park, Wenzhou 325035, China.
| | - Xuanxin Yang
- Wenzhou Medical University, Chashan University Park, Wenzhou 325035, China.
| | - Jie Chen
- Department of Intensive Care, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
| | - Xiaojie Wang
- Wenzhou Medical University, Chashan University Park, Wenzhou 325035, China.
| | - Lei Chen
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
| | - Jingye Pan
- Department of Intensive Care, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
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20
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Leng F, Chen F, Jiang X. Modified porous carboxymethyl chitin microspheres by an organic solvent-free process for rapid hemostasis. Carbohydr Polym 2021; 270:118348. [PMID: 34364597 DOI: 10.1016/j.carbpol.2021.118348] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 05/26/2021] [Accepted: 06/13/2021] [Indexed: 12/25/2022]
Abstract
Rapid and effective hemorrhage control is essential to reduce mortality following traumatic injuries. Herein we developed an organic solvent-free process to prepare carboxymethyl chitin microsphere (CMCHm) in an aqueous two-phase system through heating and freeze-drying. To further enhance the hemostatic performance of CMCHm, we loaded calcium ions and in-situ polymerized dopamine to get modified hemostatic microspheres CMCHm-Ca2+ and CMCHm-PDA, respectively. The size of these microspheres was mainly distributed between 50 μm and 150 μm, and the porous microstructure was observed by SEM. The data of in vitro degradation, cell cytotoxicity, and hemolysis test indicated good biocompatibility of these microspheres. Importantly, CMCHm-Ca2+ and CMCHm-PDA displayed better hemostatic performance compared with CMCHm and the positive controls Yunnan baiyao® and Quickclean®. Especially, the bleeding time was reduced to 59 s (CMCHm-Ca2+) and 45 s (CMCHm-PDA) in the femoral artery/vein cut model, respectively. All these demonstrate CMCHm-Ca2+ and CMCHm-PDA hold great potential for rapid hemostasis.
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Affiliation(s)
- Fan Leng
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, PR China.
| | - Feixiang Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, PR China.
| | - Xulin Jiang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, PR China.
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21
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Study on hemostatic effect and mechanism of starch-based nano-microporous particles. Int J Biol Macromol 2021; 179:507-518. [PMID: 33711370 DOI: 10.1016/j.ijbiomac.2021.03.037] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/22/2021] [Accepted: 03/08/2021] [Indexed: 11/21/2022]
Abstract
The powdered hemostatic particles have broad application prospects in large open wounds, internal organ injuries and penetrating injuries of the body. In this study, nanoscale mescoporous and macroporous silica (MMSN), nanoscale mescoporous and macroporous bioactive glass (MBG), micron-scale cross-linked corn starch porous microspheres (CMS), MMSN@CMS and MBG@CMS starch-based nano-microporous particles were synthesized and their hemostatic effect and hemostatic mechanism were studied. The results showed that comparted with the single particle of CMS, the combination particles MBG@CMS and MMSN@CMS significantly increased the water absorption rate, activated both internal and external coagulation pathways, significantly shortened CBT, as well as the improved hemostatic effects in vitro. The immediately released Ca2+ from MBG@CMS in the blood to participate in the coagulation pathway, and MMSN@CMS activated platelets by concentrating blood coagulation factors, might be the main hemostatic mechanisms for the starch-based nano-microporous particles. Furthermore, the hemostatic efficacy of particles, both in the model of tail-amputation and liver injury in SD rats, showed the starch-based nano-microporous particles, especial MBG@CMS, could significantly reduce the weight of blood loss and shorten the bleeding time. Our research work stated that the starch-based nano-microporous particles MBG@CMS might be a hemostasis biomaterial with the potential applications for the emergency bleeding.
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22
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Dong Z, Meng X, Yang W, Zhang J, Sun P, Zhang H, Fang X, Wang DA, Fan C. Progress of gelatin-based microspheres (GMSs) as delivery vehicles of drug and cell. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 122:111949. [PMID: 33641932 DOI: 10.1016/j.msec.2021.111949] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/30/2021] [Accepted: 02/02/2021] [Indexed: 12/13/2022]
Abstract
Gelatin has various attractive features as biomedical materials, for instance, biocompatibility, low immunogenicity, biodegradability, and ease of manipulation. In recent years, various gelatin-based microspheres (GMSs) have been fabricated with innovative technologies to serve as sustained delivery vehicles of drugs and genetic materials as well as beneficial bacteria. Moreover, GMSs have exhibited promising potentials to act as both cell carriers and 3D scaffold components in tissue engineering and regenerative medicine, which not only exhibit excellent injectability but also could be integrated into a macroscale construct with the laden cells. Herein, we aim to thoroughly summarize the recent progress in the preparations and biomedical applications of GMSs and then to point out the research direction in future. First, various methods for the fabrication of GMSs will be described. Second, the recent use of GMSs in tumor embolization and in the delivery of cells, drugs, and genetic material as well as bacteria will be presented. Finally, several key factors that may enhance the improvement of GMSs were suggested as delivery vehicles.
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Affiliation(s)
- Zuoxiang Dong
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao Medical College, Qingdao University, Qingdao 266000, Shandong, China; Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao 266000, Shandong, China
| | - Xinyue Meng
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao Medical College, Qingdao University, Qingdao 266000, Shandong, China
| | - Wei Yang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao Medical College, Qingdao University, Qingdao 266000, Shandong, China
| | - Jinfeng Zhang
- Department of Surgery, Songshan Hospital of Qingdao University, Qingdao 266021, Shandong, China
| | - Peng Sun
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao 266000, Shandong, China
| | - Huawei Zhang
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao 266000, Shandong, China
| | - Xing Fang
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Dong-An Wang
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region; Shenzhen Research Institute, City University of Hong Kong, Shenzhen Hi-tech Industrial Park, Shenzhen, Guangdong 518057, China; Karolinska Institute Ming Wai Lau Centre for Reparative Medicine, HKSTP, Sha Tin, Hong Kong Special Administrative Region.
| | - Changjiang Fan
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao Medical College, Qingdao University, Qingdao 266000, Shandong, China.
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23
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Chen L, Tang Y, Zhao K, Zha X, Wei M, Tan Q, Wu Z. Sequential release of double drug (graded distribution) loaded gelatin microspheres/PMMA bone cement. J Mater Chem B 2021; 9:508-522. [PMID: 33305784 DOI: 10.1039/d0tb01452d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Drugs are loaded into PMMA bone cement to reduce the risk of infection in freshly implanted prostheses or to promote the differentiation and growth of osteoblasts. However, the same method of loading of drugs in the bone cement cannot simultaneously achieve an effective antibacterial response and long-term treatment outcomes for osteoporosis based on a patient's clinical needs. In the present study, gentamicin sulfate (GS)/alendronate (ALN)-dual-loaded gelatin modified PMMA bone cement (GAPBC) was fabricated to provide rapid and continuous antibiotic release and long-term anti-osteoporotic therapy. Specifically, the gelatin microspheres were loaded with the drugs using separate methodologies, namely, ALN was loaded during fabrication of the gelatin microspheres after which GS was absorbed onto the gelatin from solution. The results demonstrate that sequential release of the GS and ALN was achieved, GS release playing a major role over the first 24 hours and ALN release dominant after 3 weeks of immersion in PBS, resulting from the graded distribution within the gelatin microspheres, and the final drug release ratio of GS (73.6%) and ALN (68.5%) from the modified bone cement was significantly higher than from PMMA bone cement. Therefore, GAPBC represents a potential drug carrier for future clinical applications.
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Affiliation(s)
- Lei Chen
- Department of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, P. R. China.
| | - Yufei Tang
- Department of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, P. R. China.
| | - Kang Zhao
- Department of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, P. R. China.
| | - Xiang Zha
- Department of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, P. R. China.
| | - Min Wei
- Department of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, P. R. China.
| | - Quanchang Tan
- Institute of Orthopaedics, Xi'jing Hospital, Fourth Military Medical University, Xi'an 710032, P. R. China.
| | - Zixiang Wu
- Institute of Orthopaedics, Xi'jing Hospital, Fourth Military Medical University, Xi'an 710032, P. R. China.
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24
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Zhao Y, Li J, Leng F, Lv S, Huang W, Sun W, Jiang X. Degradable porous carboxymethyl chitin hemostatic microspheres. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 31:1369-1384. [DOI: 10.1080/09205063.2020.1760461] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Yong Zhao
- Key Laboratory of Biomedical Polymers of the Ministry of Education & Department of Chemistry, Wuhan University, Wuhan, P. R. China
| | - Jiazhen Li
- Key Laboratory of Biomedical Polymers of the Ministry of Education & Department of Chemistry, Wuhan University, Wuhan, P. R. China
| | - Fan Leng
- Key Laboratory of Biomedical Polymers of the Ministry of Education & Department of Chemistry, Wuhan University, Wuhan, P. R. China
| | - Siyao Lv
- Key Laboratory of Biomedical Polymers of the Ministry of Education & Department of Chemistry, Wuhan University, Wuhan, P. R. China
| | - Wei Huang
- Research and Development Center, Hangzhou Singclean Medical Products Co., Ltd, Hangzhou, P. R. China
| | - Weiqing Sun
- Research and Development Center, Hangzhou Singclean Medical Products Co., Ltd, Hangzhou, P. R. China
| | - Xulin Jiang
- Key Laboratory of Biomedical Polymers of the Ministry of Education & Department of Chemistry, Wuhan University, Wuhan, P. R. China
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